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Resistance of salt marsh substrates to near‐instantaneous hydrodynamic forcing
Earth Surface Processes and Landforms ( IF 2.8 ) Pub Date : 2020-05-21 , DOI: 10.1002/esp.4912 Helen Brooks 1 , Iris Möller 2 , Simon Carr 3 , Clementine Chirol 4 , Elizabeth Christie 1 , Ben Evans 1 , Kate L. Spencer 4 , Tom Spencer 1 , Katherine Royse 5
Earth Surface Processes and Landforms ( IF 2.8 ) Pub Date : 2020-05-21 , DOI: 10.1002/esp.4912 Helen Brooks 1 , Iris Möller 2 , Simon Carr 3 , Clementine Chirol 4 , Elizabeth Christie 1 , Ben Evans 1 , Kate L. Spencer 4 , Tom Spencer 1 , Katherine Royse 5
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Salt marshes deliver vital ecosystem services by providing habitats, storing pollutants and atmospheric carbon, and reducing flood and erosion risk in the coastal hinterland. Net losses in salt marsh areas, both modelled globally and measured regionally, are therefore of concern. Amongst other controls, the persistence of salt marshes in any one location depends on the ability of their substrates to resist hydrodynamic forcing at the marsh front, along creek margins and on the vegetated surface. Where relative sea level is rising, marsh elevation must keep pace with sea‐level rise and landward expansion may be required to compensate for areal loss at exposed margins. This paper reviews current understanding of marsh substrate resistance to the near‐instantaneous (seconds to hours) forcing induced by hydrodynamic processes. It outlines how variability in substrate properties may affect marsh substrate stability, explores current understanding of the interactions between substrate properties and erosion processes, and how the cumulative impact of these interactions may affect marsh stability over annual to decadal timescales.
中文翻译：
盐沼底物对近乎瞬时的水动力强迫的抵抗力
盐沼通过提供栖息地，存储污染物和大气中的碳，并减少沿海腹地的洪水和侵蚀风险，提供了至关重要的生态系统服务。因此，无论是在全球范围内还是在地区范围内，盐沼地区的净损失都值得关注。在其他控制措施中，盐沼在任何位置的持久性取决于其底物抵抗沼泽前沿，小溪边缘和植被表面上的水动力强迫的能力。在相对海平面上升的情况下，沼泽海拔必须与海平面上升保持同步，并且可能需要向内扩张以补偿裸露边缘的面积损失。本文回顾了当前对沼泽底物抵抗由水动力过程引起的近瞬时（几秒到几小时）强迫的理解。
更新日期：2020-05-21
中文翻译：
盐沼底物对近乎瞬时的水动力强迫的抵抗力
盐沼通过提供栖息地，存储污染物和大气中的碳，并减少沿海腹地的洪水和侵蚀风险，提供了至关重要的生态系统服务。因此，无论是在全球范围内还是在地区范围内，盐沼地区的净损失都值得关注。在其他控制措施中，盐沼在任何位置的持久性取决于其底物抵抗沼泽前沿，小溪边缘和植被表面上的水动力强迫的能力。在相对海平面上升的情况下，沼泽海拔必须与海平面上升保持同步，并且可能需要向内扩张以补偿裸露边缘的面积损失。本文回顾了当前对沼泽底物抵抗由水动力过程引起的近瞬时（几秒到几小时）强迫的理解。
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